ln(dp or numeric) natural logarithm : ln « Math Functions « PostgreSQL






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ln(dp or numeric) natural logarithm


postgres=#
postgres=# -- ln(dp or numeric) natural logarithm
postgres=#
postgres=# select ln(2.0);
         ln
--------------------
 0.6931471805599453
(1 row)

postgres=#








Related examples in the same category

1.ln(x): Returns the natural logarithm of x (the inverse of the exp() function)
2.ln(exp(10.0))